/**
 * Copyright (c) <2010-2014>, Wind River Systems, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 1) Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2) Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.
 *
 * 3) Neither the name of Wind River Systems nor the names of its contributors may be
 * used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * 4) The screens displayed by the application must contain the copyright notice as defined
 * above and can not be removed without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/* Created 2010 by Keith Wiles @ windriver.com */

#ifndef __WR_CKSUM_H
#define __WR_CKSUM_H

extern uint16_t    	cksum( void * pBuf, int32_t size, uint32_t cksum );
extern uint32_t    	cksumUpdate( void * pBuf, int32_t size, uint32_t cksum );
extern uint16_t    	cksumDone( uint32_t cksum );
extern uint32_t    	pseudoChecksum( uint32_t src, uint32_t dst,
                                    uint16_t proto, uint16_t len, uint32_t cksum );
extern uint32_t		pseudoIPv6Checksum( uint16_t * src, uint16_t * dst, uint8_t next_hdr,
										uint32_t total_len, uint32_t sum );

#endif /* __WR_CKSUM_H */
